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S/390: Fix longlong.h inline asms for zarch

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Andreas Krebbel 2011-10-07 12:09:59 -04:00 committed by Ulrich Drepper
parent 42622229a9
commit 48693bea9e
2 changed files with 28 additions and 22 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2011-10-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
* stdlib/longlong.h: Update from GCC. Fix zarch smul_ppmm and
sdiv_qrnnd.
2011-10-07 Ulrich Drepper <drepper@gmail.com>
* string/test-memcmp.c: Avoid unncessary #defines.

45
stdlib/longlong.h
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@ -1,6 +1,6 @@
/* longlong.h -- definitions for mixed size 32/64 bit arithmetic.
Copyright (C) 1991, 1992, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010
2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
Free Software Foundation, Inc.
This file is part of the GNU C Library.
@ -343,23 +343,24 @@ UDItype __umulsidi3 (USItype, USItype);
#else
#define smul_ppmm(xh, xl, m0, m1) \
do { \
register SItype r0 __asm__ ("0"); \
register SItype r1 __asm__ ("1") = m0; \
\
register SItype __r0 __asm__ ("0"); \
register SItype __r1 __asm__ ("1") = (m0); \
\
__asm__ ("mr\t%%r0,%3" \
: "=r" (r0), "=r" (r1) \
: "r" (r1), "r" (m1)); \
(xh) = r0; (xl) = r1; \
: "=r" (__r0), "=r" (__r1) \
: "r" (__r1), "r" (m1)); \
(xh) = __r0; (xl) = __r1; \
} while (0)
#define sdiv_qrnnd(q, r, n1, n0, d) \
do { \
register SItype r0 __asm__ ("0") = n0; \
register SItype r1 __asm__ ("1") = n1; \
\
__asm__ ("dr\t%%r0,%3" \
: "=r" (r0), "=r" (r1) \
: "r" (r0), "r" (r1), "r" (d)); \
(q) = r0; (r) = r1; \
register SItype __r0 __asm__ ("0") = (n1); \
register SItype __r1 __asm__ ("1") = (n0); \
\
__asm__ ("dr\t%%r0,%4" \
: "=r" (__r0), "=r" (__r1) \
: "r" (__r0), "r" (__r1), "r" (d)); \
(q) = __r1; (r) = __r0; \
} while (0)
#endif /* __zarch__ */
#endif
@ -801,9 +802,9 @@ UDItype __umulsidi3 (USItype, USItype);
#define count_trailing_zeros(count,x) \
do { \
__asm__ ("ffsd %2,%0" \
: "=r" ((USItype) (count)) \
: "0" ((USItype) 0), \
"r" ((USItype) (x))); \
: "=r" ((USItype) (count)) \
: "0" ((USItype) 0), \
"r" ((USItype) (x))); \
} while (0)
#endif /* __ns32000__ */
@ -819,7 +820,7 @@ UDItype __umulsidi3 (USItype, USItype);
|| defined (__ppc__) /* Darwin */ \
|| (defined (PPC) && ! defined (CPU_FAMILY)) /* gcc 2.7.x GNU&SysV */ \
|| (defined (PPC) && defined (CPU_FAMILY) /* VxWorks */ \
&& CPU_FAMILY == PPC) \
&& CPU_FAMILY == PPC) \
) && W_TYPE_SIZE == 32
#define add_ssaaaa(sh, sl, ah, al, bh, bl) \
do { \
@ -860,7 +861,7 @@ UDItype __umulsidi3 (USItype, USItype);
|| defined (__ppc__) \
|| (defined (PPC) && ! defined (CPU_FAMILY)) /* gcc 2.7.x GNU&SysV */ \
|| (defined (PPC) && defined (CPU_FAMILY) /* VxWorks */ \
&& CPU_FAMILY == PPC)
&& CPU_FAMILY == PPC)
#define umul_ppmm(ph, pl, m0, m1) \
do { \
USItype __m0 = (m0), __m1 = (m1); \
@ -1028,7 +1029,7 @@ UDItype __umulsidi3 (USItype, USItype);
#define udiv_qrnnd(q, r, n1, n0, d) \
do { \
extern UWtype __udiv_qrnnd_16 (UWtype, UWtype) \
__attribute__ ((visibility ("hidden"))); \
__attribute__ ((visibility ("hidden"))); \
/* r0: rn r1: qn */ /* r0: n1 r4: n0 r5: d r6: d1 */ /* r2: __m */ \
__asm__ ( \
"mov%M4 %4,r5\n" \
@ -1163,8 +1164,8 @@ UDItype __umulsidi3 (USItype, USItype);
#define count_leading_zeros(count, x) \
do { \
__asm__ ("scan %1,1,%0" \
: "=r" ((USItype) (count)) \
: "r" ((USItype) (x))); \
: "=r" ((USItype) (count)) \
: "r" ((USItype) (x))); \
} while (0)
/* Early sparclites return 63 for an argument of 0, but they warn that future
implementations might change this. Therefore, leave COUNT_LEADING_ZEROS_0